Home / 22,279.25-30,745.37-13,327.13

Finding the Fourth Proportional to 22,279.25, 30,745.37 and 13,327.13

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Solution

The fourth proportional to 22,279.25, 30,745.37 and 13,327.13 is: 18,391.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,279.25 : 30,745.37 = 13,327.13 : x
  2. Step 2: Convert to fraction form
    22,279.25/30,745.37 = 13,327.13/x
  3. Step 3: Cross multiply
    22,279.25x = 30,745.37 × 13,327.13
  4. Step 4: Simplify right side
    22,279.25x = 409,747,476.25
  5. Step 5: Solve for x
    x = 409,747,476.25/22,279.25
  6. Step 6: Final answer
    x = 18,391.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.